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A236498 Number of (n+1)X(4+1) 0..3 arrays colored with the sum of the maximum and minimum values of each 2X2 subblock 1
171436, 5217808, 142835932, 4018409892, 117174223516, 3489407550956, 102973945562456, 3020121066420424, 88792796276355104, 2630151938304864872, 77577883405384686460, 2282835478930635726220, 67249052225251448842984 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A236500

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..151

EXAMPLE

Some solutions for n=1

..2..3..1..1..3....0..1..3..2..0....0..1..3..2..1....0..0..2..2..1

..2..3..2..1..2....0..3..2..3..3....3..2..1..0..0....0..1..1..2..3

CROSSREFS

Sequence in context: A235238 A236985 A234088 * A246227 A206115 A204730

Adjacent sequences:  A236495 A236496 A236497 * A236499 A236500 A236501

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 27 2014

STATUS

approved

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Last modified September 18 19:30 EDT 2021. Contains 347534 sequences. (Running on oeis4.)